Home / 20,381,376.37-30,591,218.76-10,672,957.71

Finding the Fourth Proportional to 20,381,376.37, 30,591,218.76 and 10,672,957.71

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Solution

The fourth proportional to 20,381,376.37, 30,591,218.76 and 10,672,957.71 is: 16,019,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,381,376.37 : 30,591,218.76 = 10,672,957.71 : x
  2. Step 2: Convert to fraction form
    20,381,376.37/30,591,218.76 = 10,672,957.71/x
  3. Step 3: Cross multiply
    20,381,376.37x = 30,591,218.76 × 10,672,957.71
  4. Step 4: Simplify right side
    20,381,376.37x = 326,498,784,122,838.69
  5. Step 5: Solve for x
    x = 326,498,784,122,838.69/20,381,376.37
  6. Step 6: Final answer
    x = 16,019,466.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.